1e1051a39Sopenharmony_ci/* 2e1051a39Sopenharmony_ci * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved. 3e1051a39Sopenharmony_ci * 4e1051a39Sopenharmony_ci * Licensed under the Apache License 2.0 (the "License"). You may not use 5e1051a39Sopenharmony_ci * this file except in compliance with the License. You can obtain a copy 6e1051a39Sopenharmony_ci * in the file LICENSE in the source distribution or at 7e1051a39Sopenharmony_ci * https://www.openssl.org/source/license.html 8e1051a39Sopenharmony_ci */ 9e1051a39Sopenharmony_ci 10e1051a39Sopenharmony_ci/* Dispatch functions for SM4 GCM mode */ 11e1051a39Sopenharmony_ci 12e1051a39Sopenharmony_ci#include "cipher_sm4_gcm.h" 13e1051a39Sopenharmony_ci#include "prov/implementations.h" 14e1051a39Sopenharmony_ci#include "prov/providercommon.h" 15e1051a39Sopenharmony_ci 16e1051a39Sopenharmony_cistatic OSSL_FUNC_cipher_freectx_fn sm4_gcm_freectx; 17e1051a39Sopenharmony_ci 18e1051a39Sopenharmony_cistatic void *sm4_gcm_newctx(void *provctx, size_t keybits) 19e1051a39Sopenharmony_ci{ 20e1051a39Sopenharmony_ci PROV_SM4_GCM_CTX *ctx; 21e1051a39Sopenharmony_ci 22e1051a39Sopenharmony_ci if (!ossl_prov_is_running()) 23e1051a39Sopenharmony_ci return NULL; 24e1051a39Sopenharmony_ci 25e1051a39Sopenharmony_ci ctx = OPENSSL_zalloc(sizeof(*ctx)); 26e1051a39Sopenharmony_ci if (ctx != NULL) 27e1051a39Sopenharmony_ci ossl_gcm_initctx(provctx, &ctx->base, keybits, 28e1051a39Sopenharmony_ci ossl_prov_sm4_hw_gcm(keybits)); 29e1051a39Sopenharmony_ci return ctx; 30e1051a39Sopenharmony_ci} 31e1051a39Sopenharmony_ci 32e1051a39Sopenharmony_cistatic void sm4_gcm_freectx(void *vctx) 33e1051a39Sopenharmony_ci{ 34e1051a39Sopenharmony_ci PROV_SM4_GCM_CTX *ctx = (PROV_SM4_GCM_CTX *)vctx; 35e1051a39Sopenharmony_ci 36e1051a39Sopenharmony_ci OPENSSL_clear_free(ctx, sizeof(*ctx)); 37e1051a39Sopenharmony_ci} 38e1051a39Sopenharmony_ci 39e1051a39Sopenharmony_ci/* ossl_sm4128gcm_functions */ 40e1051a39Sopenharmony_ciIMPLEMENT_aead_cipher(sm4, gcm, GCM, AEAD_FLAGS, 128, 8, 96); 41